const TabbarReducer = (prevState = {
   show: true
}, action) => {
   let newState = { ...prevState }
   switch (action.type) {
      case "kerwinhide-tabbar":
         newState.show = false
         return newState
      case "kerwinshow-tabbar":
         newState.show = true
         return newState
      default:
         return prevState
   }
}
export default TabbarReducer